著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Papantchev, George D.",Colloquial Bulgarian,,Routledge,1994,Colloquial series,,"0415079632,0415079640,0415079659",,https://cir.nii.ac.jp/crid/1130000796511540352